<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>合并表格</title>
</head>
<body>
<table border="3">
    <tr>
        <td rowspan="2">sdads</td>
        <td>asdf</td>
        <td>sdafdas</td>
        <td>sdafdas</td>
    </tr>
    <tr>
        <td>sdads</td>
        <td>asdf</td>
        <td>sdafdas</td>
    </tr>
        <td rowspan="2">sdads</td>
        <td>asdf</td>
        <td>sdafdas</td>
        <td>sdafdas</td>
    </tr>
    <tr>
        <td>sdads</td>
        <td>asdf</td>
        <td>sdafdas</td>
        <td>sdafdas</td>
    </tr>





</table>
</body>
</html>